Home / 10,771.20-16,156.77-3,375.69

Finding the Fourth Proportional to 10,771.20, 16,156.77 and 3,375.69

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Solution

The fourth proportional to 10,771.20, 16,156.77 and 3,375.69 is: 5,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.20 : 16,156.77 = 3,375.69 : x
  2. Step 2: Convert to fraction form
    10,771.20/16,156.77 = 3,375.69/x
  3. Step 3: Cross multiply
    10,771.20x = 16,156.77 × 3,375.69
  4. Step 4: Simplify right side
    10,771.20x = 54,540,246.92
  5. Step 5: Solve for x
    x = 54,540,246.92/10,771.20
  6. Step 6: Final answer
    x = 5,063.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.